#intro-header {
    color: darkblue;
}
body {
    font-family: Arial, sans-serif;
    font-weight: bold;
    line-height: 1.6;
    background-color: lightblue;
}
h1 {
    background-color: lightgreen;
    color: white;
    padding: 2rem;
    text-align: center;
}
.list {
    max-width: 800px;
    margin: 20px auto;
    background-color: lightgreen;
    border: 3px dashed blue;
}
.avl-image {
    height: auto;
    display: block;
}